| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fluorescent material excitation type semiconductor light-emitting element which is low-cost and has high efficiency. <P>SOLUTION: A space is provided between the light-emitting element and the fluorescent material, and a fluorescent reflective film which transmits excitation light and reflects light emitted by the fluorescent material is provided on the fluorescent material side of the space. <P>COPYRIGHT: (C)2010,JPO&INPIT |
